The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Evening primrose oil (Oenothera biennis) comes from the seeds of a wildflower that grows throughout the United States. The oil, gamma-linolenic acid (GLA), is an omega-6 essential fatty acid that is also found in the seeds of borage and black currant. The human body cannot make GLA so it must be obtained from outside sources.